Schneider A9L16482 Acti9 iPRD1 12.5 Surge Arrester 3P+N 350V

The Schneider Electric A9L16482 is a modular withdrawable surge protective device (SPD) from the Acti9 iPRD1 range, designed for 3P+N electrical energy distribution in residential and small commercial buildings. It delivers combined Type 1 + 2 surge protection using MOV + GDT technology, with a maximum discharge current of 50 kA and a voltage protection level below 1.5 kV.

Technical specifications:

• Commercial reference: A9L16482
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 / Acti9 iPRD1
• Product type: Withdrawable modular surge protective device (SPD)
• SPD class: Type 1 + 2
• SPD technology: MOV + GDT
• Number of poles: 3P + N
• Rated voltage [Ue]: 230/400 V AC (+/-10%) at 50/60 Hz
• Max. continuous operating voltage [Uc]: 350 V L/N (differential mode); 255 V N/PE (asymmetric mode)
• Nominal discharge current [In]: 20 kA
• Maximum discharge current [Imax]: 50 kA
• Impulse current [Iimp]: 12.5 kA L/N (differential); 50 kA N/PE (asymmetric)
• Voltage protection level [Up]: less than 1.5 kV (Type 1 + 2)
• Temporary overvoltage [Ut]: 337 V L/N for 5 s; 1200 V N/PE for 200 ms (safety mode)
• Earthing system: TT, TN-S
• Remote signaling: Signal contact 1 SD (1 C/O)
• Local indication: Mechanical indicator - white (in operation), red (end of life)
• Mounting: DIN rail, click-on system
• Dimensions (W x H x D): 72 x 89 x 69 mm
• Weight: 619 g
• Connection terminals (phase): Tunnel type, 10-25 mm² flexible / 10-35 mm² rigid
• Connection terminals (earth): Tunnel type, 16-25 mm² flexible / 16-35 mm² rigid
• Operating temperature: -25 to 60 °C
• Storage temperature: -40 to 80 °C
• IK protection: IK05 (IEC 62262)
• Certifications: CE, EAC, VDE

Features and benefits:

• Withdrawable plug-in cartridge design allows replacement without disconnecting installed conductors, reducing maintenance downtime
• Combined Type 1 + 2 classification provides protection against direct lightning impulses and switching surges in a single device
• Integrated 1 C/O remote signal contact enables connection to building management or remote monitoring systems
• Dual mechanical indicators give clear local status at a glance - white during normal operation, red at end of life

Applications:

• Main and sub-distribution boards in residential buildings
• Electrical panels in small commercial buildings
• TT and TN-S earthing system installations requiring Type 1 + 2 SPD coordination
• Monitored distribution systems where remote fault signaling is required

Compliant with EN 61643-11:2012 and IEC 61643-11:2011. Part of the Schneider Electric Acti 9 range.

Also known as: Schneider A9L16482, Schneider Electric A9L16482, Acti9 iPRD1 SPD, Schneider surge arrester 3P+N 350V.